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Title:
5,6-CIS-CARBAPENEM-3-CARBOXYLIC ACID DERIVATIVES AND PROCESS FOR THEIR PREPARATION
Document Type and Number:
WIPO Patent Application WO/1983/000867
Kind Code:
A1
Abstract:
5,6-cis-Carbapenem-3-carboxylic acid derivatives represented by the following formula:$(8,)$(wherein R1 represents a hydrocarbyl group or a heterocyclic group, R2 represents a hydrogen atom or a hydroxy-protecting group, and n represents 0, 1 or 2, provided that n represents 2 when R1 represents an acetamidoethyl or acetamidoethenyl group and R2 represents a hydrogen atom or a sulfonic acid group) and the salts thereof, and process for their preparation according to the following scheme:$(6,)$wherein R3 represents a hydrogen atom or a carboxy-protecting group, X represents a group to be split off, and other symbols are the same as defined above. The compounds (I) possess excellent antibacterial and beta-lactamase-inhibiting effects, thus being utilized as medicines for men and domestic animals.

Inventors:
NATSUGARI HIDEAKI (JP)
MATSUSHITA YOSHIHIRO (JP)
YOSHIOKA KOUICHI (JP)
Application Number:
PCT/JP1981/000226
Publication Date:
March 17, 1983
Filing Date:
September 09, 1981
Export Citation:
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Assignee:
TAKEDA CHEMICAL INDUSTRIES LTD (JP)
International Classes:
C07D477/00; A61K31/397; A61K31/40; A61P31/04; C07D205/08; C07D477/20; C07D505/00; (IPC1-7): C07D487/04; A61K31/40
Foreign References:
EP0008514A11980-03-05
GB2047700A1980-12-03
JPS5533494A1980-03-08
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